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1020221112122 = 21734912940271
BaseRepresentation
bin11101101100010011110…
…10101011111100111010
310121112100222000100112122
432312021322223330322
5113203403101041442
62100403315041242
7133465013240462
oct16661172537472
93545328010478
101020221112122
11363745247803
12145885ba0222
137528b710144
1437543c48ba2
151b811b0bdd2
hexed89eabf3a

1020221112122 has 8 divisors (see below), whose sum is σ = 1530341009472. Its totient is φ = 510107442300.

The previous prime is 1020221112101. The next prime is 1020221112137. The reversal of 1020221112122 is 2212111220201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10202211121222 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020221112122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123154 + ... + 1817117.

It is an arithmetic number, because the mean of its divisors is an integer number (191292626184).

Almost surely, 21020221112122 is an apocalyptic number.

1020221112122 is a deficient number, since it is larger than the sum of its proper divisors (510119897350).

1020221112122 is a wasteful number, since it uses less digits than its factorization.

1020221112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113764.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1020221112122 its reverse (2212111220201), we get a palindrome (3232332332323).

The spelling of 1020221112122 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 173491 346982 2940271 5880542 510110556061 1020221112122